As in Problem of Section, you bail out of a helicopter and immediately open your parachute, so your downward velocity satisfies the initial value problem
(with t in seconds and v in ft/s). Use the Runge-Kutta method with a programmable calculator or computer to approximate the solution for 0 ≦t≦2, first with step size h= 0.1 and then with h = 0.05, rounding off approximate u-values to three decimal places. What percentage of the limiting velocity 20 ft/s has been attained after I second? After 2 seconds?
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